Minecraft:Bedrock Edition protocol/Packets

Template:Exclusive

This page documents the packets used by the Template:BE protocol. For primitive types, packet framing, transport, and login details, see Minecraft:Bedrock Edition protocol.

The packet and data type tables are based on Mojang's protocol 2193 schemas for Minecraft:26.51.<ref name="schema-release">Mojang: Protocol 2193 schema release</ref>

Packets

Login

Sends the client's protocol version and login data to the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x01	Server	Client Network Version	Int (big endian)
0x01	Server	Connection Request	ByteArray	Serialized authentication and client-data request; not a plain JSON array.

Play Status

Reports login status or signals that the player can spawn.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x02	Client	Status	Int (big endian) (PlayStatus)	See PlayStatus for status values.

Server To Client Handshake

Provides the server's handshake data for application-layer encryption.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x03	Client	Handshake WebToken	WebToken

Client To Server Handshake

Acknowledges the server's application-layer encryption handshake.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x04	Server	This packet has no payload fields.

Disconnect

Ends the connection and optionally supplies a reason to display.<ref>Serialization reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x05	Client	Reason	SignedVarInt	DisconnectFailReason value.
		Hide disconnection screen	Boolean	If true, the message fields are omitted.
		Message	String	Present when Hide disconnection screen is false.
		Filtered message	String	Present when Hide disconnection screen is false.

Resource Packs Info

Lists the resource packs offered by the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x06	Client	Resource Pack Required	Boolean
		Has Addon Packs	Boolean
		Has Scripts	Boolean
		Force Disable Vibrant Visuals	Boolean
		World Template Id And Version	PackIdVersion
		Resource Packs	PackInfoData[]	Maximum entries: 65535.

Resource Pack Stack

Specifies the order in which resource and behavior packs are applied.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x07	Client	Texture Pack Required	Boolean
		Texture Pack List	PackInstanceId[]	Maximum entries: 65535.
		Base Game Version	String
		Experiments	Experiments
		Include Editor Packs	Boolean

Resource Pack Client Response

Reports the client's progress or decision during resource-pack negotiation.<ref>Serialization reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x08	Server	Response	VarInt	0: cancel; 1: downloading; 2: downloading finished; 3: resource-pack stack finished.
		Response name	String	Respectively: `cancel`, `downloading`, `downloadingfinished`, `resourcepackstackfinished`.
		Downloading packs	String[]	Present only for response 1. VarInt count followed by pack identifiers and versions, using the UUID_version form.

Text

Sends a chat message or other in-game text.<ref>Serialization reference</ref>

Category 0 uses text types 0 (raw), 5 (tip), 6 (system), 9 (JSON whisper), 10 (JSON), and 11 (JSON announcement). Category 1 uses 1 (chat), 7 (whisper), and 8 (announcement). Category 2 uses 2 (translation), 3 (popup), and 4 (jukebox popup).

Packet ID	Bound to	Field name	Field type	Notes
0x09	Server & Client	Needs translation	Boolean	Whether to localize the message.
		Category	Byte	0: message only; 1: author and message; 2: message and parameters.
		Text type	Byte	Selects the message type within its category.
		Source name	String	Category 1 only. Maximum 256 bytes.
		Message	String	Present in every category; nonempty, maximum 65536 bytes.
		Parameters	String[]	Category 2 only. VarInt count, maximum 4 parameters.
		XUID	String	Maximum 64 bytes; may be empty.
		Platform chat ID	String	Maximum 256 bytes; may be empty.
		Filtered message present	Boolean	Whether a filtered message follows.
		Filtered message	String	Present when the preceding Boolean is true; maximum 65536 bytes.

Set Time

Updates the world's time.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x0A	Client	Time	SignedVarInt

Start Game

Supplies the initial world and player settings when joining a game.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x0B	Client	Entity ID	ActorUniqueID
		Runtime ID	ActorRuntimeID
		Game Type	SignedVarInt	Values: GameType.
		Position	Vec3
		Rotation	Vec2
		Settings	LevelSettings
		Level ID	String
		Level Name	String
		Template Content Identity	String
		Is Trial	Boolean
		Movement Settings	SyncedPlayerMovementSettings
		Level Current Time	Unsigned Long
		Enchantment Seed	SignedVarInt
		Block Properties	ServerBlockProperty[]
		Multiplayer Correlation Id	String
		Enable Item Stack Net Manager	Boolean
		Server Version	String
		Player Property Data	NBT
		Server Block Type Registry Checksum	Unsigned Long
		World Template ID	mce::UUID
		Server Enabled ClientSide Generation	Boolean
		BlockNetworkIds Are Hashes	Boolean
		NetworkPermissions	NetworkPermissions
		Server Configuration Join Info	server_config	Optional or conditional; see source for presence encoding.
		Server Telemetry Data	ServerTelemetryData

Add Player

Adds another player entity to the client world.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x0C	Client	UUID	mce::UUID
		Player Name	String
		Target Runtime ID	ActorRuntimeID
		Platform Chat Id	String
		Position	Vec3
		Velocity	Vec3
		Rotation	Vec2
		Y-Head Rotation	Float
		Carried Item	NetworkItemStackDescriptor
		Player Game Type	SignedVarInt	Values: GameType.
		Entity Data	SynchedActorDataList
		Synched Properties	PropertySyncData
		Abilities Data	SerializedAbilitiesData
		Actor Links	ActorLink[]
		Device Id	String
		Build Platform	Int	Values: BuildPlatform.

Add Actor

Adds an entity to the client world.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x0D	Client	Target Actor ID	ActorUniqueID
		Target Runtime ID	ActorRuntimeID
		Actor Type	String
		Position	Vec3
		Velocity	Vec3
		Rotation	Vec2
		Y Head Rotation	Float
		Y Body Rotation	Float
		Attributes List	SyncedAttribute[]
		Actor Data	SynchedActorDataList
		Synched Properties	PropertySyncData
		Actor Links	ActorLink[]

Remove Actor

Removes an entity from the client world.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x0E	Client	Target Actor ID	ActorUniqueID

Add Item Actor

Adds a dropped item entity to the client world.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x0F	Client	Target Actor ID	ActorUniqueID
		Target Runtime ID	ActorRuntimeID
		Item	NetworkItemStackDescriptor
		Position	Vec3
		Velocity	Vec3
		Entity Data	SynchedActorDataList
		Is From Fishing	Boolean

Server Player Post Move Position

Reports the player's server position after movement processing.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x10	Client	Pos	Vec3

Take Item Actor

Animates an entity picking up an item entity.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x11	Client	Item Runtime ID	ActorRuntimeID
0x11	Client	Actor Runtime ID	ActorRuntimeID

Move Actor Absolute

Updates an entity's absolute position and rotation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x12	Client	Move Data	MoveActorAbsoluteData

Move Player

Updates or corrects a player's position and rotation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x13	Client	Player Runtime ID	ActorRuntimeID
		Position	Vec3
		Rotation	Vec2
		Y-Head Rotation	Float
		Position Mode	Byte	Values: Normal, Respawn, Teleport, OnlyHeadRot.
		On Ground	Boolean
		Riding Runtime ID	ActorRuntimeID
		Teleport Data	MovePlayerTeleportData	Optional or conditional; see source for presence encoding.
		Tick	PlayerInputTick

Update Block

Updates a block's state on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x15	Client	Block Position	BlockPos
		Block Runtime ID	VarInt
		Flags	VarInt
		Layer	VarInt

Add Painting

Adds a painting entity to the client world.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x16	Client	Target Actor ID	ActorUniqueID
		Target Runtime ID	ActorRuntimeID
		Position	Vec3
		Direction	SignedVarInt
		Motif	String

Level Event

Triggers a world event, such as a particle effect or weather change.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x19	Client	Event Id	SignedVarInt	Values: Level Events.
		Position	Vec3
		Data	SignedVarInt

Block Event

Triggers a block event, such as a chest opening animation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x1A	Client	Block Position	BlockPos
		Event Type	SignedVarInt
		Event Value	SignedVarInt

Actor Event

Triggers an entity event, such as a hurt animation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x1B	Server & Client	Target Runtime ID	ActorRuntimeID
		Event ID	Byte	Values: Entity events.
		Data	SignedVarInt
		Fire At Position	Vec3	Optional or conditional; see source for presence encoding.

Mob Effect

Adds, updates, or removes an entity status effect.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x1C	Client	Target Runtime ID	ActorRuntimeID
		Event ID	Byte	Values: MobEffectPacketPayload::Event.
		Effect ID	SignedVarInt
		Effect Amplifier	SignedVarInt
		Show Particles	Boolean
		Effect Duration Ticks	SignedVarInt
		Tick	PlayerInputTick
		Ambient	Boolean

Update Attributes

Updates an entity's attributes, such as health or movement speed.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x1D	Client	Target Runtime ID	ActorRuntimeID
		Attribute List	AttributeData[]
		Tick	PlayerInputTick

Inventory Transaction

Reports an inventory transaction or item interaction.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x1E	Server	Legacy Request ID	ItemStackLegacyRequestId
		Legacy Set Item Slots	LegacySetSlot[]	Present for a valid Legacy Request ID.
		Transaction	Variant	Alternatives: NormalTransactionData, InventoryMismatchData, ItemUseInventoryTransaction, ItemUseOnActorInventoryTransaction, ItemReleaseInventoryTransaction. See source for the selector encoding.

Mob Equipment

Updates an entity's held item or selected inventory slot.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x1F	Server & Client	Target Runtime ID	ActorRuntimeID
		Item	NetworkItemStackDescriptor
		Slot	Byte
		Selected Slot	Byte
		Container ID	Byte

Mob Armor Equipment

Updates the armor equipped by an entity.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x20	Client	Target Runtime ID	ActorRuntimeID
		Head	NetworkItemStackDescriptor
		Torso	NetworkItemStackDescriptor
		Legs	NetworkItemStackDescriptor
		Feet	NetworkItemStackDescriptor
		Body	NetworkItemStackDescriptor

Interact

Reports a player's interaction with an entity.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x21	Server	Action	Byte	Values: InteractPacketPayload Action.
		Target Runtime ID	ActorRuntimeID
		Position	Vec3	Optional or conditional; see source for presence encoding.

Block Pick Request

Requests the item corresponding to a picked block.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x22	Server	Position	BlockPos
		With Data?	Boolean
		Max Slots	Byte

Actor Pick Request

Requests the item corresponding to a picked entity.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x23	Server	Actor ID	Long
		Max Slots	Byte
		With Data	Boolean

Player Action

Reports a player action, such as starting to break a block.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x24	Server	Player Runtime ID	ActorRuntimeID
		Action	SignedVarInt	Values: PlayerActionType.
		Block Position	BlockPos
		Result Pos	BlockPos
		Face	SignedVarInt

Hurt Armor

Applies damage to armor.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x26	Client	Cause	SignedVarInt
		Damage	SignedVarInt
		Armor Slots	VarLong

Set Actor Data

Updates an entity's metadata and properties.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x27	Client	Target Runtime ID	ActorRuntimeID
		Actor Data	SynchedActorDataList
		Synched Properties	PropertySyncData
		Tick	PlayerInputTick

Set Actor Motion

Sets an entity's velocity.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x28	Client	Target Runtime ID	ActorRuntimeID
		Motion	Vec3
		Tick	PlayerInputTick

Set Actor Link

Updates a link between entities, such as a rider and its mount.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x29	Server & Client	Link	ActorLink

Set Health

Updates the player's health.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x2A	Client	Health	SignedVarInt

Set Spawn Position

Sets a player or world spawn position.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x2B	Client	Spawn Position Type	SignedVarInt	Values: SpawnPositionType.
		Block Position	BlockPos
		Dimension type	DimensionType
		Spawn Block Pos	BlockPos

Animate

Triggers an entity animation, such as an arm swing.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x2C	Server & Client	Action	Byte	Values: AnimatePacketPayload Action.
		Target Actor Runtime ID	ActorRuntimeID
		Data	Float
		Swing Source	Byte	Values: ActorSwingSource. Optional or conditional; see source for presence encoding.

Respawn

Coordinates the player's respawn between client and server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x2D	Server & Client	Position	Vec3
		State	Byte	Values: PlayerRespawnState.
		Player Runtime Id	ActorRuntimeID

Container Open

Opens a container interface on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x2E	Client	Container Id	Byte
		Container Type	Byte
		Position	BlockPos
		Target Actor ID	ActorUniqueID

Container Close

Closes a container and synchronizes its closure.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x2F	Server & Client	Container Id	Byte
		Container Type	Byte
		Server Initiated Close	Boolean

Player Hotbar

Updates the player's selected hotbar slot.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x30	Client	Selected Slot	VarInt
		Container ID	Byte
		Should select slot?	Boolean

Inventory Content

Updates the full contents of an inventory.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x31	Client	Container Id	VarInt
		Slots	NetworkItemStackDescriptor[]
		Full Container Name	FullContainerName
		Storage Item	NetworkItemStackDescriptor

Inventory Slot

Updates a single inventory slot.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x32	Client	Container Id	Byte
		Slot	VarInt
		Full Container Name	FullContainerName	Optional or conditional; see source for presence encoding.
		Storage Item	NetworkItemStackDescriptor	Optional or conditional; see source for presence encoding.
		Item	NetworkItemStackDescriptor

Container Set Data

Updates a container property, such as furnace progress.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x33	Client	Container ID	Byte
		ID	SignedVarInt
		Value	SignedVarInt

Crafting Data

Sends crafting recipes and related recipe data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x34	Client	Shaped Recipes	ShapedRecipePayload[]
		Shapeless Recipes	ShapelessRecipePayload[]
		Multi Recipes	MultiRecipePayload[]
		User Data Shapeless Recipes	ShapelessRecipePayload[]
		Shapeless Chemistry Recipes	ShapelessRecipePayload[]
		Shaped Chemistry Recipes	ShapedRecipePayload[]
		Smithing Transform Recipes	SmithingTransformRecipePayload[]
		Smithing Trim Recipes	SmithingTrimRecipePayload[]
		Potion Mixes	PotionMixDataEntry[]
		Container Mixes	ContainerMixDataEntry[]
		Material Reducers	MaterialReducerDataEntry[]
		Clear Recipes	Boolean

Gui Data Pick Item

Selects the hotbar slot containing a picked item.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x36	Client	Item Name	String
		Item Effect Name	String
		Slot	Int

Block Actor Data

Updates a block entity's NBT data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x38	Client	Block Position	BlockPos
0x38	Client	Actor Data Tags	NBT

Level Chunk

Sends chunk data to the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x3A	Client	Chunk Position	ChunkPos
		Dimension Id	DimensionType
		Sub-chunks Count	VarInt
		Client Request SubChunk Limit	SignedVarInt	Optional or conditional; see source for presence encoding.
		Cache Enabled	Boolean
		Cache Metadata	LevelChunkPacketPayload SubChunkMetadata[]	Maximum entries: 65.
		Serialized Chunk Data	String

Set Commands Enabled

Sets whether commands are enabled.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x3B	Client	Commands Enabled	Boolean

Set Difficulty

Updates the world's difficulty.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x3C	Client	Difficulty	VarInt

Change Dimension

Starts the player's transition to another dimension.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x3D	Client	Dimension ID	DimensionType
		Position	Vec3
		Respawn	Boolean
		Loading Screen Id	Unsigned Int

Set Player Game Type

Changes the player's game mode.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x3E	Server	Player Game Type	SignedVarInt	Values: GameType.

Player List

Adds or removes entries in the player list.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x3F	Client	Entries	Variant[]	Optional or conditional; see source for presence encoding. Maximum entries: 1000.

Simple Event

Signals a simple event, such as unlocking world-template settings.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x40	Server	Type	Unsigned Short	Values: Subtype.

Legacy Telemetry Event

Sends a legacy telemetry event to the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x41	Client	Target Actor ID	ActorUniqueID
		Event Type	SignedVarInt	Values: LegacyTelemetryEventPacketPayload::Type.
		Use Player ID	Boolean
		Event Data	Variant	Alternatives: Achievement, Interaction, PortalCreated, PortalUsed, MobKilled, CauldronUsed, PlayerDied, BossKilled, SlashCommand, MobBorn, POICauldronUsed, ComposterUsed, BellUsed, ActorDefinition, RaidUpdate, TargetBlockHit, PiglinBarter, PlayerWaxedOrUnwaxedCopper, CodeBuilderRuntimeAction, CodeBuilderScoreboard, ItemUsed, Empty. See source for the selector encoding.

Spawn Experience Orb

Spawns an experience orb on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x42	Client	Position	Vec3
0x42	Client	XP Value	SignedVarInt

Clientbound Map Item Data

Updates a map's pixels, decorations, and related data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x43	Client	Map ID	ActorUniqueID
		Dimension	Byte
		Is Locked	Boolean
		Map Origin	BlockPos
		Creation Map IDs	ActorUniqueID[]	Optional or conditional; see source for presence encoding. Maximum entries: 65535.
		Scale	Signed Byte	Optional or conditional; see source for presence encoding.
		Tracked Actor IDs	MapItemTrackedActor UniqueId[]	Optional or conditional; see source for presence encoding. Maximum entries: 65535.
		Decorations	MapDecoration[]	Optional or conditional; see source for presence encoding. Maximum entries: 65535.
		Width	SignedVarInt	Optional or conditional; see source for presence encoding.
		Height	SignedVarInt	Optional or conditional; see source for presence encoding.
		Start X	SignedVarInt	Optional or conditional; see source for presence encoding.
		Start Y	SignedVarInt	Optional or conditional; see source for presence encoding.
		Pixels	Unsigned Int[]	Optional or conditional; see source for presence encoding. Maximum entries: 16384.

Map Info Request

Requests data for a map.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x44	Server	Map Unique ID	ActorUniqueID
0x44	Server	Client Pixels List	(anonymous namespace)::MapInfoRequestPacketAnon::ClientPixelsProxy[]	Count uses a fixed-width encoding; see source. Maximum entries: 16384.

Request Chunk Radius

Requests a chunk view radius from the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x45	Server	Chunk Radius	SignedVarInt
0x45	Server	Max ChunkRadius	Byte

Chunk Radius Updated

Reports the chunk radius accepted by the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x46	Client	Chunk Radius	SignedVarInt

Game Rules Changed

Updates the world's game rules.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x48	Client	Rule Data	GameRulesChangedPacketData

Camera

Associates an Education Edition camera with its target player.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x49	Client	Camera ID	ActorUniqueID
0x49	Client	Target Player ID	ActorUniqueID

Boss Event

Updates a boss bar and its associated state.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x4A	Server & Client	Target Actor ID	ActorUniqueID
		Event Type	Byte	Values: BossEventUpdateType.
		Name	String	Maximum length: 256.
		FilteredName	String	Maximum length: 256.
		Health Percent	Float
		Color	Byte	Values: BossBarColor.
		Overlay	Byte	Values: BossBarOverlay.

Show Credits

Controls the display of the credits screen.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x4B	Server & Client	Player Runtime ID	ActorRuntimeID
0x4B	Server & Client	Credits State	SignedVarInt

Available Commands

Sends the available commands and their argument definitions.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x4C	Client	Enum Values	String[]
		Chained Subcommand Values	String[]
		Post Fixes	String[]
		Enum Data	AvailableCommandsPacketEnumData[]
		Chained Subcommand Data	AvailableCommandsPacketChainedSubcommandData[]	Maximum entries: 16.
		Commands	AvailableCommandsPacketCommandData[]
		Soft Enums	AvailableCommandsPacketSoftEnumData[]
		Constraints	AvailableCommandsPacketConstrainedValueData[]

Command Request

Requests execution of a command.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x4D	Server	Command	String	Maximum length: 1000.
		Origin	CommandOriginData
		IsInternal	Boolean
		Version	Int	Values: CurrentCmdVersion.

Command Block Update

Updates the settings and command of a command block or command block minecart.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x4E	Server	Target	Variant	Alternatives: EntityCommandTarget, BlockCommandData. See source for the selector encoding.
		Command	String
		Last Output	String
		Name	String
		FilteredName	String
		Track Output	Boolean
		Tick Delay	Int
		Execute On First Tick	Boolean

Command Output

Returns the result of a command.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x4F	Client	Origin Data	CommandOriginData
0x4F	Client	Output	CommandOutput

Update Trade

Sends trading offers and related merchant information.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x50	Client	Container Id	Byte
		Type	Byte
		Size	SignedVarInt
		Trader Tier	SignedVarInt
		Entity Unique Id	ActorUniqueID
		Last Trading Player	ActorUniqueID
		Display Name	String
		Use New Trade Screen	Boolean
		Using Economy Trade	Boolean
		Data	NBT

Update Equip

Sends equipment inventory information, such as a horse's inventory.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x51	Client	Container Id	Byte
		Type	Byte
		Size	SignedVarInt
		Entity Unique Id	ActorUniqueID
		Data	NBT

Resource Pack Data Info

Describes a resource pack before its contents are downloaded.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x52	Client	Resource Name	String
		Chunk Size	Unsigned Int
		Number of Chunks	Unsigned Int
		File Size	Unsigned Long
		File Hash	String
		Is Premium Pack	Boolean
		Pack Type	Byte

Resource Pack Chunk Data

Sends a chunk of resource-pack data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x53	Client	Resource Name	String
		Chunk ID	Unsigned Int
		Byte Offset	Unsigned Long
		Chunk Data	String

Resource Pack Chunk Request

Requests a chunk of a resource-pack download.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x54	Server	Resource Name	String
0x54	Server	Chunk	Int

Transfer

Directs the client to connect to another server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x55	Client	Server Address	String
		Server Port	Unsigned Short
		Reload World	Boolean
		Gatherings Configuration	gatheringsConfig	Optional or conditional; see source for presence encoding.

Play Sound

Plays a named sound at a specified position.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x56	Client	Name	String
		Position	BlockPos
		Volume	Float
		Pitch	Float
		Loop Count	SignedVarInt
		Bypass Listener Range Check	Boolean
		Server Sound Handle	ServerSoundHandle	Optional or conditional; see source for presence encoding.
		Playback Position Seconds	Float	Optional or conditional; see source for presence encoding.

Stop Sound

Stops a specified sound or all sounds.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x57	Client	Sound Name	String
		Stop All Sounds?	Boolean
		Stop Music (Legacy)	Boolean

Set Title

Controls titles, subtitles, and action-bar text.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x58	Client	Title Type	SignedVarInt	Values: SetTitlePacket TitleType.
		Title Text	String
		Fade In Time	SignedVarInt
		Stay Time	SignedVarInt
		Fade Out Time	SignedVarInt
		Xuid	String
		Platform Online Id	String
		Filtered Title Message	String

Add Behavior Tree

Adds behavior-tree data on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x59	Client	Behavior Tree Structure (JSON)	String

Structure Block Update

Sends changes made in the structure block interface.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x5A	Server	Block Position	BlockPos
		Structure Data	StructureEditorData
		Trigger?	Boolean
		IsWaterlogged	Boolean

Show Store Offer

Opens a specified store offer.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x5B	Client	Offer Id	mce::UUID
0x5B	Client	Redirect Type	Byte	Values: ShowStoreOfferRedirectType.

Purchase Receipt

Sends purchase receipts to the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x5C	Server	PurchaseReceipts	String[]	Maximum entries: 10000.

Player Skin

Updates a player's skin.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x5D	Server & Client	UUID	mce::UUID
		Serialized Skin	SerializedSkin
		Localized New Skin Name	String
		Localized Old Skin Name	String

Sub Client Login

Begins login for a split-screen player.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x5E	Server	Sub Client Connection Request	String

Automation Client Connect

Requests a WebSocket connection for automation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x5F	Client	Web Socket Data	WebSocketPacketData

Set Last Hurt By

Identifies the entity that last hurt the player.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x60	Client	LastHurtBy	SignedVarInt	Values: ActorType.

Book Edit

Sends changes to a book and quill.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x61	Server	Book Slot	SignedVarInt
0x61	Server	Operation	Variant	Alternatives: BookEditAction::ReplacePage, BookEditAction::AddPage, BookEditAction::DeletePage, BookEditAction::SwapPages, BookEditAction::Finalize. See source for the selector encoding.

Npc Request

Reports an interaction with an NPC.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x62	Server	NPC Runtime ID	ActorRuntimeID
		Request Type	Byte	Values: NpcRequestPacketPayload RequestType.
		Actions	String
		Action Index	Byte
		Scene Name	String

Photo Transfer

Transfers Education Edition photo data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x63	Client	Photo Name	String
		Photo Data	String	Maximum length: 20971520.
		Book ID	String
		Type	Byte	Values: PhotoType.
		Source Type	Byte	Values: PhotoType.
		Owner ID	Long
		New Photo Name	String

Modal Form Request

Displays a server-provided form on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x64	Client	Form ID	VarInt
0x64	Client	Form UI JSON	String

Modal Form Response

Returns the player's response to a server form.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x65	Server	Form ID	VarInt
		JSON Response	Json::Value
		Form Cancel Reason	Byte	Values: ModalFormCancelReason.

Server Settings Request

Requests the server's settings form.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x66	Server	This packet has no payload fields.

Server Settings Response

Provides the server's settings form.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x67	Client	Form ID	VarInt
0x67	Client	Form UI JSON	String

Show Profile

Opens a player's platform profile.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x68	Client	Player XUID	String

Set Default Game Type

Changes the world's default game mode.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x69	Server	Default Game Type	SignedVarInt	Values: Survival, Creative, Adventure, Default, Spectator, WorldDefault.

Remove Objective

Removes a scoreboard objective.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x6A	Client	Objective Name	String

Set Display Objective

Selects a scoreboard objective for display.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x6B	Client	DisplaySlotName	String
		ObjectiveName	String
		ObjectiveDisplayName	String
		CriteriaName	String
		SortOrder	SignedVarInt

Set Score

Adds, updates, or removes scoreboard scores.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x6C	Client	Score Info	Variant[]	Optional or conditional; see source for presence encoding.

Lab Table

Reports an interaction with an Education Edition lab table.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x6D	Server	Type	Byte	Values: LabTablePacketPayload::Type.
		Position	BlockPos
		Reaction	Byte	Values: LabTableReactionType.

Update Block Synced

Updates a block while synchronizing its associated moving entity.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x6E	Client	Block Position	BlockPos
		Block Runtime ID	VarInt
		Flags	VarInt
		Layer	VarInt
		Unique Actor Id	VarLong
		Actor Sync Message	VarLong

Move Actor Delta

Updates an entity's position or rotation using deltas.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x6F	Client	Move Data	MoveActorDeltaData

Set Scoreboard Identity

Adds or removes scoreboard identity mappings.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x70	Client	Scoreboard Identity Packet Type	Byte	Values: Update, Remove.
0x70	Client	Scoreboard Identity Info	ScoreboardIdentityPacketInfo[]

Set Local Player As Initialized

Notifies the server that the local player has finished initializing.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x71	Server	Player ID	ActorRuntimeID

Update Soft Enum

Updates the values of a command soft enum.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x72	Client	Enum Name	String
		Values	String[]
		Update Type	Byte	Values: SoftEnumUpdateType.

Network Stack Latency

Measures network latency by exchanging a timestamp.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x73	Server & Client	Creation Time	Unsigned Long
0x73	Server & Client	Is From Server	Boolean

Spawn Particle Effect

Spawns a particle effect on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x76	Client	Dimension Id	Byte
		Actor Id	ActorUniqueID
		Position	Vec3
		Effect Name	String
		Molang Variables	MolangVariableMap

Available Actor Identifiers

Sends the available entity identifiers.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x77	Client	Identifier List	NBT

Network Chunk Publisher Update

Updates the center and radius of the client's chunk view.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x79	Client	New position for view	BlockPos
		New radius for view	VarInt
		Server Built Chunks List	ChunkPos[]	Count uses a fixed-width encoding; see source. Maximum entries: 9216.

Biome Definition List

Sends the world's biome definitions.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x7A	Client	Map of Biome names to data	Structure
0x7A	Client	String list	BiomeStringList

Level Sound Event

Triggers a sound event in the world.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x7B	Server & Client	Sound Event	SoundEventIdentifier
		Position	Vec3
		Data	SignedVarInt
		Actor Identifier	String
		Is Baby	Boolean
		Is Global	Boolean
		Actor Unique Id	Long
		Fire At Position	Vec3

Level Event Generic

Triggers a world event with structured event data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x7C	Client	Event Id	SignedVarInt
0x7C	Client	__[[CTD]]__	Event-specific NBT tags	Raw remaining payload; no outer compound wrapper.

Lectern Update

Updates the page and state of a lectern.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x7D	Client	New page to show	Byte
		Total Pages	Byte
		Position of Lectern to update	BlockPos

Client Cache Status

Declares whether the client supports the blob cache.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x81	Server	Is cache supported?	Boolean

On Screen Texture Animation

Displays an on-screen texture animation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x82	Client	Effect Id	Unsigned Int

Map Create Locked Copy

Requests a locked copy of a map.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x83	Client	Original Map Id	ActorUniqueID
0x83	Client	New Map Id	ActorUniqueID

Structure Template Data Request

Requests structure template data from the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x84	Client	Structure Name	String	Maximum length: 256.
		Structure Position	BlockPos
		Structure Settings	StructureSettings
		Requested Operation	Byte	Values: StructureTemplateRequestOperation.

Structure Template Data Response

Returns structure template data or the result of a structure operation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x85	Server & Client	Structure Name	String
		Structure's NBT	NBT
		Response Type	Byte	Values: StructureTemplateResponseType.

Client Cache Blob Status

Reports which cached blobs the client has or needs.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x87	Server	Missing Ids	Unsigned Long[]	Maximum entries: 4095.
0x87	Server	Found Ids	Unsigned Long[]	Maximum entries: 4095.

Client Cache Miss Response

Sends cached blobs that the client is missing.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x88	Client	Missing Blobs	MissingBlobData[]	Maximum entries: 4095.

Education Settings

Synchronizes Education Edition settings.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x89	Client	Education Level Settings	EducationLevelSettings

Emote

Notifies other players that an emote is being performed.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x8A	Server & Client	Actor Runtime Id	ActorRuntimeID
		Emote Id	String
		Emote Length Ticks	VarInt
		Xuid	String
		PlatformId	String
		Flags	Byte

Multiplayer Settings

Synchronizes multiplayer settings.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x8B	Client	PacketType	SignedVarInt	Values: MultiplayerSettingsPacketType.

Settings Command

Requests a settings change through a command.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x8C	Server	Command	String
0x8C	Server	Suppress Output?	Boolean

Anvil Damage

Requests damage to an anvil after use.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x8D	Server	Block Position	BlockPos

Completed Using Item

Notifies the client that an item-use action has finished.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x8E	Client	Item Id	Short
0x8E	Client	Item Use Method	Int

Network Settings

Sets the connection's compression and networking options.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x8F	Client	Compression Threshold	Unsigned Short
		CompressionAlgorithm	Unsigned Short	Values: PacketCompressionAlgorithm.
		Client Throttle Enabled	Boolean
		Client Throttle Threshold	Byte
		Client Throttle Scalar	Float

Player Auth Input

Sends player inputs and movement for server-authoritative processing.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x90	Server	Player Rotation	Vec2
		Position	Vec3
		Move Vector	Vec2
		Player Head Rotation	Float
		Input Data	Variable-length bitset	Input flags packed in 7-bit groups, with a continuation bit.
		Input Mode	VarInt	Values: InputMode.
		Play Mode	VarInt	Values: ClientPlayMode.
		New Interaction Model	SignedVarInt	Values: NewInteractionModel.
		Interact Rotation	Vec2
		Client Tick	PlayerInputTick
		Pos Delta	Vec3
		Item Use Transaction	Optional PackedItemUseLegacyInventoryTransaction	Boolean presence byte followed by the value when present.
		Item Stack Request	Optional ItemStackRequest	Boolean presence byte followed by the value when present.
		Player Block Actions	Optional PlayerBlockActionData[]	Boolean presence byte followed by the value when present.
		Vehicle Rotation	Optional Vec2	Boolean presence byte followed by the value when present.
		Client Predicted Vehicle	Optional ActorUniqueID	Boolean presence byte followed by the value when present.
		Analog Move Vector	Vec2
		Camera Orientation	Vec3
		Raw Move Vector	Vec2

Creative Content

Sends the contents of the creative inventory.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x91	Client	Groups	CreativeGroupInfoPayload[]
0x91	Client	Entries	CreativeItemEntryPayload[]

Player Enchant Options

Sends the available enchanting options.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x92	Client	Options	ItemEnchantOption[]	Maximum entries: 3.

Item Stack Request

Requests inventory changes using server-authoritative item stack operations.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x93	Server	Requests	ItemStackRequest[]	Maximum entries: 100.

Item Stack Response

Reports the results of item stack requests.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x94	Client	Responses	ItemStackResponseInfo[]

Player Armor Damage

Updates damage to the player's armor.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x95	Client	Armor Slot and Damage Pairs	ArmorSlotAndDamagePair[]	Maximum entries: 5.

Code Builder

Controls the Education Edition Code Builder interface.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x96	Client	URL	String
0x96	Client	Should open code builder	Boolean

Update Player Game Type

Updates a player's game mode for other clients.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x97	Client	Player Game Type	SignedVarInt	Values: GameType.
		Target player	ActorUniqueID
		Tick	PlayerInputTick

Emote List

Lists a player's equipped emotes.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x98	Server & Client	Runtime id	ActorRuntimeID
0x98	Server & Client	Emote piece ids	mce::UUID[]

Position Tracking DB Server Broadcast

Sends a position-tracking database update, including lodestone information.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x99	Client	Action	Byte	Values: PositionTrackingDBServerBroadcastPacketPayload::Action.
		Id	PositionTrackingId
		Position tracking data	NBT

Position Tracking DB Client Request

Requests information from the position-tracking database.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x9A	Client	Action	Byte	Values: PositionTrackingDBClientRequestPacketPayload::Action.
0x9A	Client	Id	PositionTrackingId

Debug Info

Sends server debug information for display on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x9B	Client	Actor Id	ActorUniqueID
0x9B	Client	Data	String

Packet Violation Warning

Reports a malformed packet detected by the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x9C	Server & Client	Violation Type	SignedVarInt	Values: PacketViolationType.
		Violation Severity	SignedVarInt	Values: PacketViolationSeverity.
		Violation PacketId	SignedVarInt
		Violation Context	String

Motion Prediction Hints

Supplies entity motion and ground-state hints for prediction.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x9D	Server & Client	mRuntimeId	ActorRuntimeID
		mMotion	Vec3
		mOnGround	Boolean

Animate Entity

Triggers a specified entity animation on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x9E	Client	mAnimation	String
		mNextState	String
		mStopExpression	String
		mStopExpressionVersion	Int
		mController	String
		mBlendOutTime	Float
		mRuntimeIds	ActorRuntimeID[]

Camera Shake

Starts or stops a camera-shake effect.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x9F	Client	Intensity	Float
		Seconds	Float
		Shake Type	Byte	Values: CameraShakeType.
		Shake Action	Byte	Values: CameraShakeAction.

Player Fog

Updates the player's fog stack.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xA0	Client	Fog Stack	String[]

Correct Player Move Prediction

Corrects movement that differs from the server's prediction.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xA1	Client	PredictionType	Byte	Values: RewindType.
		Pos	Vec3
		Pos Delta	Vec3
		Rotation	Vec2
		VehicleAngularVelocity	Float	Optional or conditional; see source for presence encoding.
		On Ground	Boolean
		Tick	PlayerInputTick

Item Registry

Sends the item registry and item component data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xA2	Client	Item Data	ItemData[]

Clientbound Debug Renderer

Adds or removes client debug-rendering objects.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xA4	Client	Type	Byte	Values: Invalid, ClearDebugMarkers, AddDebugMarkerCube.
0xA4	Client	DebugMarkerData	DebugMarkerData	Optional or conditional; see source for presence encoding.

Sync Actor Property

Synchronizes entity property definitions.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xA5	Client	Property Data	NBT

Add Volume Entity

Adds a volume entity and its components to the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0xA6	Client	Entity Network Id	EntityNetId
		Components	NBT
		JSON Identifier	String
		Instance Name	String
		Min Bounds	BlockPos
		Max Bounds	BlockPos
		Dimension Type	DimensionType
		Engine Version	String

Remove Volume Entity

Removes a volume entity from the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xA7	Client	Entity Network Id	EntityNetId
0xA7	Client	Dimension Type	DimensionType

Simulation Type

Sets the simulation type used by toolbox mode.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xA8	Client	Sim Type	Byte	Values: SimulationType.

Npc Dialogue

Opens or updates an NPC dialogue window.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xA9	Server & Client	Npc Id Raw Id	Unsigned Long
		Npc Dialogue Action Type	SignedVarInt	Values: NpcDialogueActionType.
		Dialogue	String
		Scene Name	String
		Npc Name	String
		Action JSON	String

Edu Uri Resource

Sends Education Edition shared URI resource settings.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xAA	Client	Edu Shared URI Resource	EduSharedUriResource

Create Photo

Creates a photo item from an Education Edition portfolio image.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0xAB	Server	Raw ID	Unsigned Long
		Photo Name	String
		Photo Item Name	String

Update Sub Chunk Blocks

Updates multiple blocks within a subchunk.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xAC	Client	Sub Chunk Block Position	BlockPos
0xAC	Client	Blocks Changed	UpdateSubChunkBlocksChangedInfo

Sub Chunk

Returns a batch of requested subchunk data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xAE	Client	Cache Enabled	Boolean
		Dimension Type	DimensionType
		Center Pos	SubChunkPos
		SubChunk Data	SubChunkPacketData[]	Maximum entries: 8192.

Sub Chunk Request

Requests a batch of subchunks from the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xAF	Server	Dimension Type	DimensionType
		SubChunk Position Offset List	SubChunkPosOffset[]	Maximum entries: 8192.
		Center Pos	SubChunkPos

Player Start Item Cooldown

Starts an item cooldown for the player.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xB0	Client	Item Category	String
0xB0	Client	Duration Ticks	SignedVarInt

Script Message

Exchanges custom script messages between client and server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xB1	Server	Message Id	String
0xB1	Server	Message Value	String

Code Builder Source

Exchanges Education Edition Code Builder source information.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xB2	Server	Operation	Byte	Values: CodeBuilderStorageQueryOptions Operation.
		Category	Byte	Values: CodeBuilderStorageQueryOptions Category.
		CodeStatus	Byte	Values: CodeBuilderExecutionState CodeStatus.

Ticking Areas Load Status

Reports whether ticking areas are still being preloaded.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xB3	Client	Waiting For Preload	Boolean

Dimension Data

Sends the properties of data-driven dimensions.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xB4	Client	Definitions	Structure

Agent Action Event

Reports an Education Edition agent action.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xB5	Client	Request Id	String
		Action	Int	Values: AgentActionType.
		Response	Json::Value

Change Mob Property

Changes a mob property.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0xB6	Client	Actor Id	ActorUniqueID
		Property Name	String
		BoolComponent Value	Boolean
		StringComponent Value	String
		IntComponent Value	SignedVarInt
		FloatComponent Value	Float

Lesson Progress

Reports progress through an Education Edition lesson.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0xB7	Client	Lesson Action	SignedVarInt
		Score	SignedVarInt
		Activity Id	String

Request Ability

Requests a change to a player ability.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xB8	Server	Ability	SignedVarInt
		Value Type	Byte	Values: RequestAbilityPacketPayload::Type.
		Bool	Boolean
		Float	Float

Request Permissions

Requests a change to the player's permission level.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0xB9	Server	Target Player Id's Raw ID	Long
		Player Permission Level	SignedVarInt
		Custom Permission Flags	Unsigned Short

Toast Request

Displays a toast notification.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xBA	Client	Title	String
0xBA	Client	Content	String

Update Abilities

Updates a player's abilities and permissions.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xBB	Client	Data	SerializedAbilitiesData

Update Adventure Settings

Updates the player's adventure settings.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xBC	Client	Adventure Settings	AdventureSettings

Death Info

Provides information about the player's death.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xBD	Client	Death Cause Message	DeathCauseMessageType

Editor Network

Exchanges serialized Minecraft Editor data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0xBE	Server	Route To Manager	Boolean
		Raw Variant Name	String
		Raw Variant Data	String

Feature Registry

Sends registered world-generation features to the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xBF	Client	FeaturesDataList	FeatureRegistry::FeatureBinaryJsonFormat[]

Server Stats

Reports server performance statistics to the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xC0	Client	ServerTime	Float
0xC0	Client	NetworkTime	Float

Request Network Settings

Requests the server's networking settings for a protocol version.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xC1	Server	ClientNetworkVersion	Int (big endian)

Game Test Request

Requests a GameTest operation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xC2	Server & Client	MaxTestsPerBatch	SignedVarInt
		RepeatCount	SignedVarInt
		Rotation	Byte	Values: Rotation.
		StopOnFailure	Boolean
		TestPos	BlockPos
		TestsPerRow	SignedVarInt
		TestName	String

Game Test Results

Reports the results of GameTests.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0xC3	Server	Succeeded	Boolean
		Error	String
		TestName	String

Update Client Input Locks

Updates which player inputs are locked.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xC4	Server	Input Lock ComponentData	VarInt

Camera Presets

Sends camera presets to the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xC6	Client	Camera Presets	CameraPresets

Unlocked Recipes

Updates the player's unlocked recipes.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0xC7	Client	Packet Type	Unsigned Int	Values: UnlockedRecipesPacketPayload::PacketType.
0xC7	Client	Unlocked Recipes List	String[]

Camera Instruction

Changes the client's camera using a camera instruction.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x12C	Client	Camera Instruction	CameraInstruction

Trim Data

Sends the available armor trim patterns and materials.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x12E	Client	TrimPattern List	TrimPattern[]
0x12E	Client	TrimMaterial List	TrimMaterial[]

Open Sign

Opens the sign editing interface.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x12F	Server	Pos	BlockPos
0x12F	Server	Is Front Side	Boolean

Agent Animation

Displays an Education Edition agent animation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x130	Client	Agent Animation	Byte	Values: Agent Animation.
0x130	Client	Runtime Id	ActorRuntimeID

Refresh Entitlements

Requests a refresh of the player's content entitlements.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x131	Client	This packet has no payload fields.

Player Toggle Crafter Slot Request

Requests a change to a crafter slot's enabled state.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x132	Server	Pos X	Int
		Pos Y	Int
		Pos Z	Int
		Slot Index	Byte
		Is Disabled	Boolean

Set Player Inventory Options

Updates the player's inventory interface options.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x133	Server	Inventory Options	InventoryOptions

Set Hud

Changes the visibility of HUD elements.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x134	Client	Hud Element	Int[]
0x134	Client	Hud Visible	SignedVarInt	Values: HudVisibility.

Award Achievement

Awards an achievement by its identifier.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x135	Client	AchievementID	Int

Clientbound Close Form

Closes the client's open server forms.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x136	Client	This packet has no payload fields.

Serverbound Loading Screen

Reports the client's loading-screen state.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x138	Server	Loading Screen Packet Type	SignedVarInt	Values: StartLoadingScreen, EndLoadingScreen.
0x138	Server	Loading Screen Id	Unsigned Int

Jigsaw Structure Data

Sends the jigsaw structure rules used for world generation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x139	Client	Jigsaw Structure Data Tag	NBT

Current Structure Feature

Identifies the structure feature currently occupied by the player.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x13A	Client	Current Structure Feature	String

Serverbound Diagnostics

Sends client performance diagnostics when telemetry is enabled.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x13B	Server	AvgFps	Float
		AvgServerSimTickTimeMS	Float
		AvgClientSimTickTimeMS	Float
		AvgBeginFrameTimeMS	Float
		AvgInputTimeMS	Float
		AvgRenderTimeMS	Float
		AvgEndFrameTimeMS	Float
		AvgRemainderTimePercent	Float
		AvgUnaccountedTimePercent	Float
		Memory Category Values	MemoryCategoryCounter[]
		Entity Diagnostics	EntityDiagnosticTimingInfo[]
		System Diagnostics	SystemDiagnosticTimingInfo[]
		System Categories	SystemCategory[]
		Whisker Scopes	WhiskerScopeDataSummary[]

Camera Aim Assist

Configures camera aim assistance.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x13C	Client	Preset Id	String
		View Angle	Vec2
		Distance	Float
		Target Mode	Byte	Values: CameraAimAssistPacketPayload TargetMode.
		Action	Byte	Values: CameraAimAssistPacketPayload Action.
		Show Debug Render	Boolean

Container Registry Cleanup

Removes unused entries from the client's dynamic container registry.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x13D	Client	Removed Containers	FullContainerName[]

Movement Effect

Updates a movement effect on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x13E	Client	Target Runtime ID	ActorRuntimeID
		Effect ID	SignedVarInt	Values: MovementEffectType.
		Effect Duration	SignedVarInt
		Tick	PlayerInputTick

Camera Aim Assist Presets

Sends camera aim-assist presets and categories.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x140	Client	Camera Aim-Assist Presets	CameraAimAssistCategoryDefinition[]
		Camera Aim-Assist Categories	CameraAimAssistPresetDefinition[]
		Operation	Byte	Values: CameraAimAssistPresetsPacketOperation.

Client Camera Aim Assist

Reports client-side camera aim-assist activation.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x141	Server	Camera Preset Id	String
		Action	Byte	Values: ClientCameraAimAssistPacketAction.
		Allow aim assist	Boolean

Client Movement Prediction Sync

Synchronizes client movement prediction information with the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x142	Server	Actor Data Flag	ActorDataFlagComponent
		Actor Bounding Box	ActorDataBoundingBoxComponent
		Movement Attributes	MovementAttributesComponent
		Actor Unique ID	ActorUniqueID
		Actor Flying State	Boolean

Update Client Options

Sends the player's client settings to the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x143	Server	Graphics Mode Change	Byte	Values: GraphicsMode.
0x143	Server	Filter Profanity Change	Boolean

Player Video Capture

Starts or stops player video capture.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x144	Client	Start Video Capture	Variant	Alternatives: Start Video Capture, Stop Video Capture. See source for the selector encoding.
0x144	Client	Stop Video Capture	Variant	Alternatives: Start Video Capture, Stop Video Capture. See source for the selector encoding.

Player Update Entity Overrides

Updates entity overrides associated with a player.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x145	Client	Target ID	ActorUniqueID
		Property Index	VarInt
		Update	Variant	Alternatives: ClearOverride, RemoveOverride, IntOverride, FloatOverride. See source for the selector encoding.

Player Location

Updates locator information for a player or hides their location.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x146	Client	Target Actor ID	ActorUniqueID
0x146	Client	Location	Variant	Alternatives: CoordinatesLocation, HiddenLocation. See source for the selector encoding.

Clientbound Control Scheme Set

Selects the player's control scheme.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x147	Client	Control Scheme	Byte	Values: Control Scheme.

Primitive Shapes

Sends scripted drawing shapes for the client to render.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x148	Client	Array of primitive shapes (can be a mix of new, updated or removed)	PrimitiveShapeDataPayload[]	Maximum entries: 1048576.

Serverbound Pack Setting Change

Reports changes to pack settings.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x149	Server	PackId	mce::UUID
		PackSettingName	String	Maximum length: 128.
		PackSettingValue	Variant	Alternatives: Float, Boolean, String, String[]. See source for the selector encoding.

Clientbound Data Store

Sends data-store updates to the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x14A	Client	Updates	Variant[]	Maximum entries: 500.

Graphics Override Parameter

Updates rendering settings overridden by server scripts.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x14B	Client	Parameter Keyframe Values	Structure
		Float Value	Float
		Vec3 Value	Vec3
		Biome Identifier	String	Maximum length: 255.
		Player Identifier	String	Optional or conditional; see source for presence encoding. Maximum length: 255.
		Identifier for Parameter	Byte	Values: GraphicsOverrideParameterType.
		Reset Parameter	Boolean

Serverbound Data Store

Sends a data-store update to the server.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x14C	Server	Update	Data Store Update

Clientbound Data Driven UI Show Screen

Opens a data-driven interface screen.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x14D	Client	ScreenId	String	Maximum length: 500.
		FormId	Unsigned Int
		DataInstanceId	Unsigned Int	Optional or conditional; see source for presence encoding.

Clientbound Data Driven UI Close Screen

Closes data-driven interface screens.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x14E	Client	FormId	Unsigned Int	Optional or conditional; see source for presence encoding.

Clientbound Data Driven UI Reload

Reloads the client's data-driven interface.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x14F	Client	This packet has no payload fields.

Clientbound Texture Shift

Updates texture-shift settings on the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x150	Client	Action ID	Byte	Values: ClientboundTextureShiftPacketPayload::Action.
		Collection Name	String
		From Step	String
		To Step	String
		All Steps	String[]
		Current Length In Ticks	VarLong
		Total Length In Ticks	VarLong
		Enabled	Boolean

Voxel Shapes

Sends the voxel shapes used by the world's behavior packs.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type
0x151	Client	Shapes	VoxelShapes::SerializableVoxelShape[]
		Name Map	Structure
		Custom Shape Count	Unsigned Short

Camera Spline

Sends spline data for camera movement.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x152	Client	Camera Data Splines	CameraSplineDefinition[]

Camera Aim Assist Actor Priority

Sends entity priorities for camera aim assistance.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x153	Client	Camera Aim-Assist Actor Priority List	AimAssistActorPriorityData[]

Resource Packs Ready For Validation

Notifies the server that the client has loaded its resource packs.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x154	Server	This packet has no payload fields.

Locator Bar

Updates the information displayed on the locator bar.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x155	Client	Waypoints	LocatorBarWaypointPayload[]	Maximum entries: 40000.

Party Changed

Reports additional client party metadata.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x156	Server	party_info	PlayerPartyInfo

Serverbound Data Driven Screen Closed

Notifies the server that a data-driven screen was closed.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x157	Server	FormId	Unsigned Int
0x157	Server	CloseReason	Byte	Values: DataDrivenScreenClosedReason.

Sync World Clocks

Synchronizes world clocks with the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x158	Client	Data	Variant	Alternatives: SyncStateData, InitializeRegistryData, AddTimeMarkerData, RemoveTimeMarkerData. See source for the selector encoding.

Clientbound Attribute Layer Sync

Synchronizes attribute layers with the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x159	Client	Data	Variant	Alternatives: UpdateAttributeLayersData, UpdateAttributeLayerSettingsData, UpdateEnvironmentAttributesData, RemoveEnvironmentAttributesData. See source for the selector encoding.

Server Store Info

Provides the server's store entry-point configuration.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x15A	Client	client_store_entry_point_configuration	clientStoreEntryPointConfig

Server Presence Info

Provides the server's presence configuration.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x15B	Client	presence_configuration	presenceConfig

Clientbound Update Sound Data

Updates client sound data.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x15C	Client	Server Sound Handle	ServerSoundHandle
		Stop	Variant	Alternatives: Stop, SetVolume, SetPitch, Fade, SeekTo, Pause, Resume. See source for the selector encoding.
		SetVolume	Variant	Alternatives: Stop, SetVolume, SetPitch, Fade, SeekTo, Pause, Resume. See source for the selector encoding.
		SetPitch	Variant	Alternatives: Stop, SetVolume, SetPitch, Fade, SeekTo, Pause, Resume. See source for the selector encoding.
		Fade	Variant	Alternatives: Stop, SetVolume, SetPitch, Fade, SeekTo, Pause, Resume. See source for the selector encoding.
		SeekTo	Variant	Alternatives: Stop, SetVolume, SetPitch, Fade, SeekTo, Pause, Resume. See source for the selector encoding.
		Pause	Variant	Alternatives: Stop, SetVolume, SetPitch, Fade, SeekTo, Pause, Resume. See source for the selector encoding.
		Resume	Variant	Alternatives: Stop, SetVolume, SetPitch, Fade, SeekTo, Pause, Resume. See source for the selector encoding.

Send Party Destination Cookie

Sends a party destination cookie to the client.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x15D	Client	cookie	String	Maximum length: 2048.
		intent	Signed Byte	Values: PartyDestinationCookieIntent.
		destination_name	String	Maximum length: 64.

Party Destination Cookie Response

Returns a response to a party destination cookie.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x15E	Server	cookie	String	Maximum length: 2048.
0x15E	Server	accepted	Boolean

Set Player Furnace Options

Updates the player's furnace interface options.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x15F	Server	FurnaceType	Byte	Values: SetPlayerFurnaceOptionsPacketPayload FurnaceType.
0x15F	Server	Furnace Options	FurnaceOptions

Record Started

Notifies the client that a music disc began playing at a position.<ref>Protocol reference</ref>

Packet ID	Bound to	Field name	Field type	Notes
0x160	Client	Block Position	BlockPos
0x160	Client	Server Sound Handle	ServerSoundHandle

References

Template:Reflist

External documentation and implementations

Navigation

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